San Francisco 49ers wide receivers Anquan Boldin (81) and Michael Crabtree (15) take part in the NFL football team's practice in Santa Clara, Calif., Wednesday, Jan. 15, 2014. The 49ers are scheduled to play the Seattle Seahawks for the NFC championship on Sunday. (AP Photo/Jeff Chiu) (The Associated Press)

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San Francisco 49ers wide receiver Anquan Boldin speaks to reporters at an NFL football training facility in Santa Clara, Calif., Wednesday, Jan. 15, 2014. The 49ers are scheduled to play the Seattle Seahawks for the NFC Championship on Sunday. (AP Photo/Jeff Chiu) (The Associated Press)

SANTA CLARA, Calif. – Anquan Boldin and Michael Crabtree waited nearly eight months to finally step on the field together for game day.

At last, in Week 13, everyone across the NFL got to see the dynamic tandem in San Francisco's upgraded receiving corps — and it didn't take them long to discover an impressive rhythm for a passing game in serious need of a jolt.

Even offensive coordinator Greg Roman had his doubts it would happen this season. 49ers coach Jim Harbaugh wondered whether Crabtree would be the same dominant player following a torn Achilles tendon.

While the emotional Boldin helped lead the offense alongside Colin Kaepernick, Frank Gore and Vernon Davis, Crabtree worked tirelessly through months of rehab.

The offense will be intact to face Seattle's stellar secondary in the NFC championship Sunday.